php make a different part of the information display pass up, page

<?php
$con = mysql_connect( "127.0.0.1", "xxxx", "password" );
mysql_query("set names 'utf8' ");   
mysql_query("set character_set_client=utf8");   
mysql_query("set character_set_results=utf8"); 
    
if ( $con ) {
    $tag = mysql_select_db( "sql_name", $con );
    if ( $tag ) {
        $Haoma = $_POST[ "haoma" ];
        $trueHtml ="";

        $row=mysql_fetch_array(mysql_query( "SELECT * FROM `sqlform` where `haoma` = '".$Haoma."' "));
        $sqlhaoma = $row['haoma'];    
        $sqlshiyong = $row['shiyong'];
        $sqlshuoming =  $row['shuoming'];
        //var_dump($row);
        if($sqlhaoma == $Haoma){

            
                $trueHtml = "<div class='result correct'>";
                $trueHtml .=" <img src='/images/correct.png' style='zoom:2;margin-top:0.5em;margin-bottom:0.5em;'>";
                $trueHtml .= " <p>";
                $trueHtml .= "<b>";
                  $trueHtml.="查询结果：";
                $trueHtml.="</b>";
                $trueHtml.="<span>";
                    $trueHtml.="<em class='number'>";
                    $trueHtml.="$sqlhaoma";
                    $trueHtml.="</ em> is true management number, a trusted </ span> </ the p-> "! =." <the p-> <b> using human: </ b> <span>$ trueHtml;

                ;
                 $ TrueHtml . = " $ Sqlshiyong " ;
                 $ trueHtml . = "</ Span> </ P>" ; 



                $ trueHtml . = "<P> <B> special instructions: </ B> <span> $ sqlshuoming </ span> </ the p-> " ;
                 $ trueHtml =." <the p-> <a href='/jiarushequn'> You can also contact the latest QQ you manage gt &; & gt; </a> </ the p-> " ;
                 $ trueHtml . = "</ div>" ; 
                
            
        
            
        } the else {
             $ trueHtml = "<div class = 'Result error'>" ;
             $ trueHtml .="<img src='/images/error.png' style='zoom:2;margin-top:0.5em;margin-bottom:0.5em;'>";
            $ trueHtml . = "<the p-> <b> query results: </ b> <span> <EM class = 'Number The'> $ Haoma </ EM> is false management number, can not be trusted <span> </ span> < / span> </ P> " ;
             $ trueHtml . =" <P> <B> using human: </ b> <span> no </ span> </ P> " ;
             $ trueHtml =." <P> < b> special Note: </ b> <span> Do not believe the person so deceived </ span> </ the p-> " ;
             $ trueHtml . =" <the p-> <a href='/jiarushequn'> You you can contact the management of the latest & gt QQ; & gt; </a> </ the p-> " ; 
           

            
            $ trueHtml . =" </ div> " ;
        }

    } else {
        echo( 1 );
    }
} else {
    echo( 2 );
}


?>

In html, where instead of the corresponding display directly $ trueHtml

<div class="content" id="trueContent" >            <?php echo $trueHtml;?>
    </div>